整理代码，return后面跟空格

parts/modes/dig_h.lua

@@ -1,4 +1,4 @@
-return{
+return {
     env={
         drop=60,lock=120,
         fall=20,
@@ -6,7 +6,7 @@ return{
         eventSet='dig_h',
         bg='bg2',bgm='shift',
     },
-    score=function(P) return{P.modeData.wave,P.stat.row} end,
+    score=function(P) return {P.modeData.wave,P.stat.row} end,
     scoreDisp=function(D) return D[1].." Waves   "..D[2].." Lines" end,
     comp=function(a,b) return a[1]>b[1] or a[1]==b[1] and a[2]<b[2] end,
     getRank=function(P)